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+.help drange Jun99 "Slalib Package"
+.nf
+
+ DOUBLE PRECISION FUNCTION slDA1P (ANGLE)
+
+ - - - - - - -
+ D A 1 P
+ - - - - - - -
+
+ Normalize angle into range +/- pi (double precision)
+
+ Given:
+ ANGLE dp the angle in radians
+
+ The result (double precision) is ANGLE expressed in the range +/- pi.
+
+ P.T.Wallace Starlink 23 November 1995
+
+ Copyright (C) 1995 Rutherford Appleton Laboratory
+ Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.
+
+.fi
+.endhelp